html,body {
    height: 100%;
}
ul,
ol {
    list-style: none;
    padding: 0;
    margin: 0;
}
img {
    width: 100%;
    display: block;
}
.lt_container {
    width: 100%;
    height: 100%;
    max-width: 640px;
    min-width: 320px;
    margin: 0 auto;
    position: relative;
    padding: 45px 0 55px;
    overflow: hidden;
}

.header {
    height: 45px;
    background-color: #069;
    position: absolute;
    width: 100%;
    top: 0;
    padding: 0 45px;
    text-align: center;
    z-index: 999;
    .icon_left,
    .icon_right {
        width: 45px;
        height: 45px;
        line-height: 45px;
        color: #fff;
        position: absolute;
        top: 0;
    }
    .icon_left {
        left: 0;
    }
    .icon_right {
        right: 0;
    }
    .title {
        h4 {
            line-height: 45px;
            margin: 0;
            color: #fff;
            font-weight: 400;
        }
    }
}



.footer {
    height: 55px;
    width: 100%;
    background: #069;
    position: absolute;
    bottom: 0;
    li {
        width: 25%;
        float: left;
        a {
            padding-top: 10px;
            width: 100%;
            display: block;
            text-align: center;
            color: #fff;
            height: 100%;
            p {
                color: #fff;
                font-size: 12px;
            }
        }
        &.active {
            a {
                color: orange;
            }
            p {
                color:orange;
            }
        }
    }
}


.main {
    width: 100%;
    height: 100%;
    background-color: #fff;
    position: relative;
    overflow: hidden;
    .search_box {
        padding: 10px;
        position: relative;
        input {
            height: 35px;
            border: 1px solid #007aff;
            border-radius: 5px;
            font-size: 12px;
            margin: 0;
        }
        button {
            position: absolute;
            top: 11px;
            right: 11px;
            color: #fff;
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }
    }
    .product {
        padding: 10px;
        li {
            width: 48%;
            float: left;
            border: 1px solid #ccc;
            padding: 10px;
            margin-bottom: 10px; 
            text-align: center;
            &:nth-child(odd) {
                margin-right: 4%;
            }
            .price-text {
                span:first-child {
                    color: red;
                }
                span:last-child {
                    text-decoration: line-through;
                }
            }
        }
    }
}